*{
	/*内边距设为0*/
	padding: 0;
	
	/*外边距设为0*/
	margin: 0;
	
	/*去掉列表项前面默认的小点*/
	list-style: none;
	
	/*字体格式*/
	font-family: "微软雅黑";

}

.clearfix::before,
.clearfix::after {
	display: block;
	height: 0;
	content: ".";
	visibility: hidden;
	overflow: hidden;
	clear: both;
}


html{
	height: 100%;
}

body{
	height: 100%;
}

.all{
	height: 100%;
	background: white;
}

/*整体盒子*/
.big-box{
	position: relative;
	height: 660px;
	width: 740px;
	margin: auto;
/*	background: green;*/
}

.big-box .logo{
	position: absolute;
	top: 0px;
	left: 310px;
	height: 95px;
	width: 215px;
	/*background: red;*/
	padding-top: 100px;
}

.w{
	position: absolute;
	top: 340px;
	left: 265px;
}
.line {
	border-bottom: 2px solid black;
	margin: 5px 0 5px 0;
}

.line img {
	display: block;
	float: left;
	width: 35px;
}

.line input {
	float: left;
	width: 160px;
	margin: 10px 0 0 10px;
	border: none;
}


.big-box  .ok{
	position: absolute;
	top: 120px;
	left: -2px;
	width: 20px;
	height: 20px;
}

.big-box .w span{
	position: absolute;
	top: 120px;
	left: 25px;
	font-size: 15px;
	color: black;
}

.big-box .btn{
	position: absolute;
	top: 510px;
	left: 265px;
	width: 200px;
	height: 35px;
	background: rgb(37,41,46);
	border: none;
}

.big-box span{
	/*position: absolute;
	top: 200px;
	left: 10px;*/
	font-size: 20px;
	color: white;
}
